upload, download, compile and reset blocks

package.json

@@ -13,6 +13,7 @@
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
     "blockly": "^3.20200625.2",
+    "file-saver": "^2.0.2",
     "prismjs": "^1.20.0",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",

src/components/ClearWorkspace.js

@@ -1,46 +0,0 @@
-import React, {Component} from 'react';
-import PropTypes from 'prop-types';
-import { connect } from 'react-redux';
-import { clearStats, onChangeCode } from '../actions/workspaceActions';
-import { initialXml } from './Blockly/initialXml.js';
-
-import * as Blockly from 'blockly/core';
-
-import ListItem from '@material-ui/core/ListItem';
-import ListItemIcon from '@material-ui/core/ListItemIcon';
-import ListItemText from '@material-ui/core/ListItemText';
-
-import { faTrashRestore } from "@fortawesome/free-solid-svg-icons";
-import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-
-class ClearWorkspace extends Component {
-
-  clearWorkspace = () => {
-    const workspace = Blockly.getMainWorkspace();
-    Blockly.Events.disable(); // https://groups.google.com/forum/#!topic/blockly/m7e3g0TC75Y
-    // if events are disabled, then the workspace will be cleared AND the blocks are not in the trashcan
-    const xmlDom = Blockly.Xml.textToDom(initialXml)
-    Blockly.Xml.clearWorkspaceAndLoadFromXml(xmlDom, workspace);
-    Blockly.Events.enable();
-    workspace.options.maxBlocks = Infinity;
-    this.props.onChangeCode();
-    this.props.clearStats();
-  }
-
-  render() {
-    return (
-      <ListItem button onClick={() => {this.clearWorkspace(); this.props.onClick();}}>
-        <ListItemIcon><FontAwesomeIcon icon={faTrashRestore} /></ListItemIcon>
-        <ListItemText primary='Zurücksetzen' />
-      </ListItem>
-    );
-  };
-}
-
-ClearWorkspace.propTypes = {
-  clearStats: PropTypes.func.isRequired,
-  onChangeCode: PropTypes.func.isRequired
-};
-
-
-export default connect(null, { clearStats, onChangeCode })(ClearWorkspace);

src/components/Compile.js

@@ -10,11 +10,26 @@ import DialogTitle from '@material-ui/core/DialogTitle';
 import DialogContent from '@material-ui/core/DialogContent';
 import DialogActions from '@material-ui/core/DialogActions';
 import Dialog from '@material-ui/core/Dialog';
+import IconButton from '@material-ui/core/IconButton';
+import Tooltip from '@material-ui/core/Tooltip';
+
+import { faPlay } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 
 const styles = (theme) => ({
   backdrop: {
     zIndex: theme.zIndex.drawer + 1,
     color: '#fff',
+  },
+  button: {
+    backgroundColor: theme.palette.primary.main,
+    color: theme.palette.primary.contrastText,
+    width: '40px',
+    height: '40px',
+    '&:hover': {
+      backgroundColor: theme.palette.primary.main,
+      color: theme.palette.primary.contrastText,
+    }
   }
 });
 
@@ -60,10 +75,21 @@ class Compile extends Component {
 
   render() {
     return (
-      <div style={{display: 'inline'}}>
+      <div style={{}}>
+        {this.props.iconButton ?
+          <Tooltip title='Blöcke kompilieren' arrow style={{marginRight: '5px'}}>
+            <IconButton
+              className={this.props.classes.button}
+              onClick={() => this.compile()}
+            >
+              <FontAwesomeIcon icon={faPlay} size="xs"/>
+            </IconButton>
+          </Tooltip>
+         :
           <Button style={{ float: 'right', color: 'white' }} variant="contained" color="primary" onClick={() => this.compile()}>
             Kompilieren
           </Button>
+        }
         <Backdrop className={this.props.classes.backdrop} open={this.state.progress}>
           <CircularProgress color="inherit" />
         </Backdrop>

src/components/Home.js

@@ -72,7 +72,8 @@ class Home extends Component {
   render() {
     return (
       <div>
-        <WorkspaceStats />
+        <div style={{float: 'left'}}><WorkspaceStats /></div>
+        <div style={{float: 'right'}}><WorkspaceFunc /></div>
         <Grid container spacing={2}>
           <Grid item xs={12} md={this.state.codeOn ? 6 : 12} style={{ position: 'relative' }}>
             <Tooltip title={this.state.codeOn ? 'Code ausblenden' : 'Code anzeigen'} >
@@ -93,7 +94,6 @@ class Home extends Component {
             </Grid>
             : null}
         </Grid>
-        <WorkspaceFunc />
       </div>
     );
   };

src/components/Navbar.js

@@ -1,7 +1,6 @@
 import React, { Component } from 'react';
 import { Link } from 'react-router-dom';
 
-import ClearWorkspace from './ClearWorkspace';
 import senseboxLogo from './sensebox_logo.svg';
 
 import { withRouter } from 'react-router-dom';
@@ -105,7 +104,6 @@ class Navbar extends Component {
                 </ListItem>
               </Link>
             ))}
-            <ClearWorkspace onClick={this.toggleDrawer}/>
           </List>
           <Divider classes={{root: this.props.classes.appBarColor}} style={{marginTop: 'auto'}}/>
           <List>

src/components/WorkspaceFunc.js

@@ -1,39 +1,143 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
+import { clearStats, onChangeCode } from '../actions/workspaceActions';
+
+import * as Blockly from 'blockly/core';
+
+import { saveAs } from 'file-saver';
+
+import { initialXml } from './Blockly/initialXml.js';
 
-import MaxBlocks from './MaxBlocks';
 import Compile from './Compile';
 
+import { withStyles } from '@material-ui/core/styles';
 import Button from '@material-ui/core/Button';
 import DialogTitle from '@material-ui/core/DialogTitle';
 import DialogContent from '@material-ui/core/DialogContent';
 import DialogActions from '@material-ui/core/DialogActions';
 import Dialog from '@material-ui/core/Dialog';
+import IconButton from '@material-ui/core/IconButton';
+import Tooltip from '@material-ui/core/Tooltip';
+
+import { faSave, faUpload, faShare } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+
+const styles = (theme) => ({
+  button: {
+    backgroundColor: theme.palette.primary.main,
+    color: theme.palette.primary.contrastText,
+    width: '40px',
+    height: '40px',
+    '&:hover': {
+      backgroundColor: theme.palette.primary.main,
+      color: theme.palette.primary.contrastText,
+    }
+  }
+});
+
 
 class WorkspaceFunc extends Component {
 
-  state = {
+  constructor(props){
+    super(props);
+    this.inputRef = React.createRef();
+    this.state = {
       title: '',
       content: '',
       open: false
-  }
+    };
-
-  getArduinoCode = () => {
-    this.setState({ title: 'Adurino Code', content: this.props.arduino, open: true });
-  }
-
-  getXMLCode = () => {
-    this.setState({ title: 'XML Code', content: this.props.xml, open: true });
   }
 
   toggleDialog = () => {
     this.setState({ open: !this.state });
   }
 
+  saveXmlFile = (code) => {
+    // saveTextFileAs
+    var fileName = 'todo.xml'
+    var blob = new Blob([code], { type: 'text/xml' });
+    saveAs(blob, fileName);
+  }
+
+  uploadXmlFile = (xmlFile) => {
+    console.log(xmlFile);
+    if(xmlFile.type !== 'text/xml'){
+      this.setState({ open: true, title: 'Unzulässiger Dateityp', content: 'Die übergebene Datei entsprach nicht dem geforderten Format. Es sind nur XML-Dateien zulässig.' });
+    }
+    else {
+      var reader = new FileReader();
+      reader.readAsText(xmlFile);
+      reader.onloadend = () => {
+        var xmlDom = null;
+        try {
+          xmlDom = Blockly.Xml.textToDom(reader.result);
+          const workspace = Blockly.getMainWorkspace();
+          var xmlBefore = this.props.xml;
+          workspace.clear();
+          this.props.clearStats();
+          Blockly.Xml.domToWorkspace(xmlDom, workspace);
+          if(workspace.getAllBlocks().length < 1){
+            Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xmlBefore), workspace)
+            this.setState({ open: true, title: 'Keine Blöcke', content: 'Es wurden keine Blöcke detektiert. Bitte überprüfe den XML-Code und versuche es erneut.' });
+          }
+        } catch(err){
+          this.setState({ open: true, title: 'Ungültige XML', content: 'Die XML-Datei konnte nicht in Blöcke zerlegt werden. Bitte überprüfe den XML-Code und versuche es erneut.' });
+        }
+      };
+    }
+  }
+
+  resetWorkspace = () => {
+    const workspace = Blockly.getMainWorkspace();
+    Blockly.Events.disable(); // https://groups.google.com/forum/#!topic/blockly/m7e3g0TC75Y
+    // if events are disabled, then the workspace will be cleared AND the blocks are not in the trashcan
+    const xmlDom = Blockly.Xml.textToDom(initialXml)
+    Blockly.Xml.clearWorkspaceAndLoadFromXml(xmlDom, workspace);
+    Blockly.Events.enable();
+    workspace.options.maxBlocks = Infinity;
+    this.props.onChangeCode();
+    this.props.clearStats();
+  }
+
   render() {
     return (
-      <div style={{ marginTop: '20px' }}>
+      <div style={{ marginBottom: '20px', width: 'max-content', display: 'flex'}}>
+        <Compile iconButton />
+        <Tooltip title='Blöcke speichern' arrow style={{marginRight: '5px'}}>
+          <IconButton
+            className={this.props.classes.button}
+            onClick={() => this.saveXmlFile(this.props.xml)}
+          >
+            <FontAwesomeIcon icon={faSave} size="xs"/>
+          </IconButton>
+        </Tooltip>
+        <div ref={this.inputRef} style={{width: 'max-content', height: '40px', marginRight: '5px'}}>
+          <input
+            style={{display: 'none'}}
+            accept="text/xml"
+            onChange={(e) => {this.uploadXmlFile(e.target.files[0])}}
+            id="open-blocks"
+            type="file"
+          />
+          <label htmlFor="open-blocks">
+            <Tooltip title='Blöcke öffnen' arrow style={{marginRight: '5px'}}>
+              <div className={this.props.classes.button} style={{borderRadius: '50%', cursor: 'pointer', display: 'table-cell',
+              verticalAlign: 'middle',
+              textAlign: 'center'}}>
+                <FontAwesomeIcon icon={faUpload} style={{width: '18px', height: '18px'}}/>
+              </div>
+            </Tooltip>
+          </label>
+        </div>
+        <Tooltip title='Workspace zurücksetzen' arrow>
+          <IconButton
+            className={this.props.classes.button}
+            onClick={() => this.resetWorkspace()}
+          >
+            <FontAwesomeIcon icon={faShare} size="xs" flip='horizontal'/>
+          </IconButton>
+        </Tooltip>
         <Dialog onClose={this.toggleDialog} open={this.state.open}>
           <DialogTitle>{this.state.title}</DialogTitle>
           <DialogContent dividers>
@@ -45,14 +149,6 @@ class WorkspaceFunc extends Component {
             </Button>
           </DialogActions>
         </Dialog>
-        <Button style={{ marginRight: '10px', color: 'white' }} variant="contained" color="primary" onClick={() => this.getArduinoCode()}>
-          Get Adurino Code
-        </Button>
-        <Button style={{ marginRight: '10px', color: 'white' }} variant="contained" color="primary" onClick={() => this.getXMLCode()}>
-          Get XML Code
-        </Button>
-        <MaxBlocks />
-        <Compile />
       </div>
     );
   };
@@ -60,7 +156,9 @@ class WorkspaceFunc extends Component {
 
 WorkspaceFunc.propTypes = {
   arduino: PropTypes.string.isRequired,
-  xml: PropTypes.string.isRequired
+  xml: PropTypes.string.isRequired,
+  clearStats: PropTypes.func.isRequired,
+  onChangeCode: PropTypes.func.isRequired
 };
 
 const mapStateToProps = state => ({
@@ -68,4 +166,4 @@ const mapStateToProps = state => ({
   xml: state.workspace.code.xml
 });
 
-export default connect(mapStateToProps, null)(WorkspaceFunc);
+export default connect(mapStateToProps, { clearStats, onChangeCode })(withStyles(styles, {withTheme: true})(WorkspaceFunc));